print("HelloWorld")

message = "Hello"
print(message)

# STRING variable uses "..." or '...'

# var.method(), such as
name = " aBc de "
first_name = "howard"
last_name = "zhang"
print(name.title())     # first letter upper
print(name.upper())     # all letters upper
print(name.lower())     # all letters lower
print(name.rstrip())    # delete last space
print(name.lstrip())    # delete first space
print(name.strip())     # delete first & last space

# format string, goes like f"{var}", such as
full_name = f"Hello, {first_name.title()} {last_name.title()}"
print(full_name)

# special symbols, such as
# \t = add space
# \n = enter line
# \\, \', \"
print("\tab\nlol\ni love\\hate u")
